Home / 1,008,519.15-1,415,469.75-1,008,519.15

Finding the Fourth Proportional to 1,008,519.15, 1,415,469.75 and 1,008,519.15

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Solution

The fourth proportional to 1,008,519.15, 1,415,469.75 and 1,008,519.15 is: 1,415,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,519.15 : 1,415,469.75 = 1,008,519.15 : x
  2. Step 2: Convert to fraction form
    1,008,519.15/1,415,469.75 = 1,008,519.15/x
  3. Step 3: Cross multiply
    1,008,519.15x = 1,415,469.75 × 1,008,519.15
  4. Step 4: Simplify right side
    1,008,519.15x = 1,427,528,349,120.71
  5. Step 5: Solve for x
    x = 1,427,528,349,120.71/1,008,519.15
  6. Step 6: Final answer
    x = 1,415,469.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.